Asample of o2 gas is observed to effuse through a porous barrier in 5.69 minutes. under
the sa...
Chemistry, 30.11.2019 01:31 jeanette7482
Asample of o2 gas is observed to effuse through a porous barrier in 5.69 minutes. under
the same conditions, the same number of moles of an unknown gas requires 11.7 minutes
to effuse through the same barrier. what is the molar mass of the unknown gas?
a) 11.6 g/mol
b) 135 g/mol
c) 7.56 g/mol
d) 66.5 g/mol
e) more information is needed
Answers: 3
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